.di {
  position: fixed;
  bottom: 50px;
  width: 200px;
  height: 50px;
  background: #00f;
  color: #fff;
  border: none;
  margin-left: 80px;
}

.ziokok {
  width: 100%;
  height: 200px;
}

.ziokok div {
  width: 80%;
  height: 50px;
  line-height: 50px;
  margin: 0 auto;
  background: #ccc;
  border-bottom: 1px solid #ccc;
  border-radius: 20px;
}
